This howto should help you follow the [style guide][1]. ruby-mode for Emacs has the defaults right. Plain vim defaults to Tab characters so it needs adjustments in ~/.vimrc .
[1]: https://github.com/SUSE/style-guides/blob/master/Ruby.md Rules ----- 1. No Tab Characters emacs: (setq-default indent-tabs-mode nil) vim: set expandtab 2. Existing Tab Characters are 8 Columns Wide emacs: (setq-default tab-width 8) vim: set tabstop=8 A notable offender is GitHub which uses 4. See point 1. The tab *key* is a different matter, see point 3. 3. Ruby Indentation Level is 2 emacs: (setq-default ruby-indent-level 2) vim: set softtabstop=2 set shiftwidth=2 If you disagree with this, please read JWZ's explanation of the concepts first: http://www.jwz.org/doc/tabs-vs-spaces.html Future ------ I have also looked into these things but don't have a recommendation. If you want me to continue, speak up. - trailing whitespace: lesser impact, I haven't nailed down the right config yet - local configuration: file-specific is easy but clutters files directory-specific needs a vim plugin; Emacs just works, as usual ;-) -- Martin Vidner, Cloud & Systems Management Team http://en.opensuse.org/User:Mvidner Kuracke oddeleni v restauraci je jako fekalni oddeleni v bazenu
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